218778872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{13399}}^1$

素因数の和:13575

約数の個数: 32

約数和(自身を含む): 444612000

約数和(自身を除く): 225833128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 13399, 16328, 26798, 53596, 107192, 174187, 348374, 696748, 1393496, 2103643, 4207286, 8414572, 16829144, 27347359, 54694718, 109389436, 218778872]

約数ペア:

[(1, 218778872), (2, 109389436), (4, 54694718), (8, 27347359), (13, 16829144), (26, 8414572), (52, 4207286), (104, 2103643), (157, 1393496), (314, 696748), (628, 348374), (1256, 174187), (2041, 107192), (4082, 53596), (8164, 26798), (13399, 16328)]